Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 1 - Trigonometric Functions - Section 1.1 Angles - 1.1 Exercises - Page 9: 87

Answer

130$^{\circ}$

Work Step by Step

Since this number is larger than 360°, to find the smaller coterminal positive angle we need to subtract 360 to get an angle less than 360 850° -360° = 490° 490° -360° = 130$^{\circ}$
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